01/28/2009 05:12 am ET Updated May 25, 2011

Organic Farms Unknowingly Used Chemical Fertilizer

For up to seven years, California Liquid Fertilizer sold what seemed to be an organic farmer's dream, brewed from fish and chicken feathers.

The company's fertilizer was effective, inexpensive and approved by organic regulators. By 2006, it held as much as a third of the market in California.

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